"Sister," he corrects, feeling a little warmth in his cheeks at the word girlfriend, because ... well. Because it's true that his thoughts have been on Kaylee, too, but it's also true that is always more complicated than he'd like it to be, and he can hardly call her his girlfriend when he can barely begin to express his interest to her without stumbling over his own words and making her mad at him.

The holodeck sounds like impressive technology, and he's about to say something about that when the man waves a hand, almost dismissive of it. And points out that he's a detective.

A detective.

"Oh. You're a ... detective?"

It doesn't come across as lightly as he'd hoped.